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Finding the Fourth Proportional to 323,145.28, 445,875.36 and 195,746.88

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Solution

The fourth proportional to 323,145.28, 445,875.36 and 195,746.88 is: 270,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,145.28 : 445,875.36 = 195,746.88 : x
  2. Step 2: Convert to fraction form
    323,145.28/445,875.36 = 195,746.88/x
  3. Step 3: Cross multiply
    323,145.28x = 445,875.36 × 195,746.88
  4. Step 4: Simplify right side
    323,145.28x = 87,278,710,588.88
  5. Step 5: Solve for x
    x = 87,278,710,588.88/323,145.28
  6. Step 6: Final answer
    x = 270,091.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.